题目内容：

根据首字母提示用适当的词完成短文。

When you are in England, you must walk very carefully in the street because the traffic drives on the l1.. Before c2. a street, you must look to the r3. and then left.

In the morning and in the evening when people go to or back from work, the streets are very b4.. Traffic is the most dangerous of the day.

When you go by bus in England, you have to be careful, too. Always remember the traffic m5. on the left. So you must be careful. Have a look first, or you will go the wrong way.

In many English cities, there are big buses with two floors. You can sit on the second floor. From there you can see the city very well. It’s very interesting.